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data hiding in audio signal, using matlab

文件是关于巴特沃斯滤波器的设计，代码中包含了滤波器的设计过程，幅频响应、群延时、滤波器零极点等。(File is the design of the butterworth filter, the code contained in the design process of the filter, amplitude frequency response, group delay, filter zero pole, etc.)

matlab PCA应用于TE数据进行检测 包括SPE统计量计算，以及SPE和T方控制限的计算。(matlab PCA applies to TE detection data including SPE statistic calculation, as well as the SPE and T control limit calculations.)

说明：  利用matlab相控阵工具，对相控阵进行仿真，有三个实用例子。(There are three practical examples to simulate the phased array with MATLAB phased array tool)

说明：  灰度门限化许多情况，图象是由具有不同灰度级的两类区域组成。如文字与纸张、地物与云层（航空照片）。其特点:直方图具有两个峰，分别与两个灰度级范围相对应 。故可选择一个门限，将两个峰分开。(Gray threshold of many cases, the image is gray level of two different regional groupings. If words and paper, surface features and cloud cover (aerial photograph). Its features: histogram has two peak, respectively, with the two gray-scale range corresponding to. So choose a threshold, separating the two peaks.)

UKF应用于GPS/IMU组合导航系统的MATLAB代码。采用UKF滤波器对GPS/IMU组合导航系统进行信息融合，利用matlab进行了编程仿真验证，结果有效。(UKF MATLAB code used in the GPS/IMU integrated navigation system)

现代通信信号在matlab中的实现以应用程序(good )

东北大学研究生上课时数字图像处理课的课件(Northeastern University graduate class of digital image processing course courseware)

使用矢量量化的方法进行说话人识别，用matlab编写 (Vector quantization method using speech recognition, written with matlab)